package com.compass.interceptor;

import com.compass.vo.LoginUser;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class MyInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession httpSession = request.getSession();
//        request.getRequestDispatcher("路径").forward(request,response);
        LoginUser loginUser = (LoginUser) httpSession.getAttribute("loginUser");
        if (null == loginUser) {
            response.setStatus(302);
            response.sendRedirect("/login/loginPage");
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
